COOLING DEVICE FOR ICE MAKING AND METHOD OF OPERATING FORM THE DEVICE

Title:

COOLING DEVICE FOR ICE MAKING AND METHOD OF OPERATING FORM THE DEVICE

Document Type and Number:

Japanese Patent JP3888814

Kind Code:

B2

Abstract:

PROBLEM TO BE SOLVED: To provide a cooling device for an ice machine to improve heat exchange efficiency during a high temperature (1°C or higher) by changing a cooler ice water flow rate and to provide a method of operating for the device.
SOLUTION: An evaporator 1 wherein an internal part forms a double cylinder type, the outside of the double cylinder forms a cooling chamber 14 where a refrigerant flows through the outside of the double cylinder, and the inside forms a cooler 15 to produce slurried ice water, a condenser 2, and a compressor 3 are interconnected to form a refrigerating cycle. A heat storage tank 5 to store produced ice water is provided. The cooler 15 and the heat storage tank 5 are interconnected through a flow passage in which a pump 4 to control a flow rate is situated. In the so formed cooling device for ice making, a temperature detector 10 is situated in the flow passage and a control mechanism 11 is provided to control the number of pumps situated and the number of revolutions of the pump according to the detected temperature. Further, at a temperature region wherein the ice water temperature of the cooler is higher than an ice point, operation is effected at the maximum allowable flow rate of a flow rate of the pump. When temperature is reduced, operation is practicable by reducing a flow rate to a specified value.

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Inventors:

Masakazu Fujimoto
Yasuo Ikezaki
Takashi Okada
Nozomi Kusumoto

Application Number:

JP33134299A

Publication Date:

March 07, 2007

Filing Date:

November 22, 1999

Export Citation:

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Assignee:

EBARA Chilling System Co., Ltd.

International Classes:

F25C1/00; F25C1/22; F25C1/12; (IPC1-7): F25C1/22

Domestic Patent References:

JP5157295A
JP5118592A
JP5256481A
JP8210673A
JP7063486A
JP2000274747A
JP2001027468A
JP5079331U

Attorney, Agent or Firm:

Dai Matsuda
Kanaya

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